<div id="nav" class="easyui-accordion" fit="true" border="false">
 <div title="站点类别1" data-options="iconCls:'icon-search'" style="padding:10px;">  
  <ul class="easyui-tree" id="tt1">  
   <li><span><a href="javascript:;" ref="1" rel="<?php echo BASE_URL.'/welcome/view_all/'?>">全部站点显示</a></span></li>
  </ul>
 </div>
 <div title="综合管理" data-options="iconCls:'icon-search'" style="padding:10px;">  
  <ul class="easyui-tree" id="tt2">  
   <li><span><a href="javascript:;" ref="1" rel="<?php echo BASE_URL.'/Welcome/all/'?>">站点管理</a></span></li>
   <li><span><a href="javascript:;" ref="1" rel="<?php echo BASE_URL.'/welcome/addmarker/'?>">图标管理</a></span></li>
  </ul>  
 </div>

</div>